> From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Sent: Thursday, September 9, 2021 5:47 PM > To: Linyu Yuan (QUIC) <quic_linyyuan@xxxxxxxxxxx> > Cc: Felipe Balbi <balbi@xxxxxxxxxx>; linux-usb@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v2] usb: dwc3: gadget: clear gadget pointer after exit > > On Thu, Sep 09, 2021 at 05:32:32PM +0800, Linyu Yuan wrote: > > when do role switch from device to host mode, > > first disable device mode, currently there is no better way to > > confirm when gadget was complete removed. > > > > change device release function to clear gadget pointer, > > this will confirm device stop complete when it is NULL. > > Where is this check happening? If there is nothing in the tree today > that checks for this, why is this needed? > > Does this fix a specific commit in the past? If so, what one? It is only my private usage, it is not fix a previous commit. In theory this change have no harm and improve. If you and Felipe both can't approve it, I can accept it. Anyway thanks for your time. > > thanks, > > greg k-h